CN113125101A - Five-degree-of-freedom probe clamping device for pneumatic probe calibration - Google Patents
Five-degree-of-freedom probe clamping device for pneumatic probe calibration Download PDFInfo
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- CN113125101A CN113125101A CN202110433217.1A CN202110433217A CN113125101A CN 113125101 A CN113125101 A CN 113125101A CN 202110433217 A CN202110433217 A CN 202110433217A CN 113125101 A CN113125101 A CN 113125101A
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- yaw
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
Abstract
The invention discloses a five-degree-of-freedom probe clamping device for pneumatic probe calibration. The five-degree-of-freedom probe clamping device comprises an X-direction displacement mechanism, a yaw mechanism fixed on the X-direction displacement mechanism and realizing yaw through the matching of an arc rack positioned on a horizontal plane and a gear, a Z-direction displacement mechanism fixed on the radius of the arc rack of the yaw mechanism, a Y-direction displacement mechanism fixed on the Z-direction displacement mechanism and vertical to the Z-direction displacement mechanism, and a pitching mechanism fixed on the Y-direction displacement mechanism and realizing pitching through the matching of the arc rack positioned on a vertical plane and the gear, wherein the pitching mechanism is provided with a clamping part; the probe is fixed on the clamping component; the X-direction displacement mechanism, the yaw mechanism, the Z-direction displacement mechanism, the Y-direction displacement mechanism and the pitching mechanism are respectively adjusted or combined to change the calibration position of the probe. The five-freedom-degree probe clamping device is complete in function and convenient and fast to operate, and can realize firm clamping and five-freedom-degree movement of the probe.
Description
Technical Field
The invention belongs to the technical field of wind tunnel tests, and particularly relates to a five-degree-of-freedom probe clamping device for pneumatic probe calibration.
Background
In the pneumatic probe calibration process, a probe holding device is generally used to hold the calibrated probe and to adjust the position and attitude of the calibration.
The existing probe clamping device only has the automatic attitude adjusting capability of two degrees of freedom of pitching and yawing, and for probes with different lengths and heights of supporting rods, the probe clamping device needs to be calibrated and adjusted in the depth direction and the height direction, so that the probe sensing part is arranged in the center of the outlet of the spray pipe.
Meanwhile, because there is no function of automatically adjusting the calibration position in the depth direction (Z direction), when calibrating a probe with multiple sensing parts arranged in a comb shape, the air blowing is stopped after one sensing part of the probe is calibrated, the calibration wind tunnel test chamber is opened, the probe clamping device is manually adjusted, the second sensing part is arranged in the center of the outlet of the spray pipe, and the calibration wind tunnel is started again to calibrate the second sensing part until the calibration of all the sensing parts is completed, so that the calibration efficiency is low. Moreover, for a long-length probe with multiple sensing parts arranged in a comb shape, the sensing parts cannot be positioned on a pitching axis or a yawing axis at the same time, and the sensing parts deviate from the center of the outlet of the spray pipe, so that calibration errors are caused.
There is a need to develop a probe clamping device for pneumatic probe calibration that has five degrees of freedom displacement capability in X, Y, Z, pitch and yaw and can accommodate different probe formats.
Disclosure of Invention
The invention aims to provide a five-degree-of-freedom probe clamping device for calibrating a pneumatic probe.
The invention discloses a five-freedom-degree probe clamping device for pneumatic probe calibration, which is characterized by comprising an X-direction displacement mechanism, a yaw mechanism fixed on the X-direction displacement mechanism and realizing yaw through the matching of an arc rack positioned on a horizontal plane and a gear, a Z-direction displacement mechanism fixed on the radius of the arc rack of the yaw mechanism, a Y-direction displacement mechanism fixed on the Z-direction displacement mechanism and vertical to the Z-direction displacement mechanism, and a pitching mechanism fixed on the Y-direction displacement mechanism and realizing pitching through the matching of the arc rack positioned on a vertical plane and the gear, wherein the pitching mechanism is provided with a clamping part; the probe is fixed on the clamping component; the X-direction displacement mechanism, the yaw mechanism, the Z-direction displacement mechanism, the Y-direction displacement mechanism and the pitching mechanism are respectively adjusted or combined to change the calibration position of the probe.
Furthermore, X to displacement mechanism include the fixed plate, the fixed plate upper surface be provided with X to the guide rail, X is to the slider to the card on the X to the guide rail, still be provided with screw pair I on the fixed plate, X of rotatory screw pair I promotes X of screw pair I to the lead screw drive X to the slider along X to the guide rail in X to the removal, realizes X to the motion.
Furthermore, the yaw mechanism comprises a fan-shaped yaw bottom plate, the lower surface of the yaw bottom plate is fixed on an X-direction sliding block of the X-direction displacement mechanism; the circular arc edge of the yaw bottom plate is provided with a circular arc yaw rack, the upper surface of the yaw bottom plate is provided with a circular arc yaw guide rail parallel to the yaw rack along the inner ring, a yaw sliding block is clamped on the yaw guide rail, and a straight plate-shaped Z-direction bottom plate parallel to the yaw bottom plate is fixed above the yaw bottom plate; the front end of the Z-direction bottom plate is fixed on the center of a circle of the yaw bottom plate, the middle section of the Z-direction bottom plate is clamped on a yaw sliding block, the rear end of the Z-direction bottom plate extends out along the radius direction of the yaw bottom plate until the rear end crosses over a yaw rack, a yaw servo motor is fixed, and an output shaft of the yaw servo motor is fixedly connected with a yaw gear; and the yaw servo motor drives the yaw gear to move along the yaw rack to drive the Z-direction base plate to slide along the yaw guide rail through the yaw sliding block, so that yaw movement is realized.
Furthermore, the Z-direction displacement mechanism comprises a Z-direction module and a Z-direction servo motor; a Z-direction guide rail is arranged on a Z-direction bottom plate of the yawing mechanism, and a Z-direction sliding block is clamped on the Z-direction guide rail; the Z-direction module is a straight plate which covers a Z-direction bottom plate of the yawing mechanism and is assembled with the Z-direction bottom plate, the lower surface of the Z-direction module is clamped on a Z-direction sliding block, the front end of the Z-direction module passes through a vertical perpendicular line of the circle center of the yawing bottom plate of the yawing mechanism, and the front end of the Z-direction module is provided with a Z-direction servo motor; and the Z-direction servo motor drives the Z-direction module to move along the Z-direction guide rail through the Z-direction sliding block, so that Z-direction movement is realized.
Furthermore, Y to displacement mechanism include that the lower extreme is fixed at Z of Z to displacement mechanism to the vertical Y of module upper surface to the bottom plate, Y is to the side-mounting of bottom plate has vertical Y to the guide rail, Y to the last Y of installing the card of guide rail to the slider, Y still is provided with screw pair II to the bottom plate, and the Y of rotatory screw pair II drives Y to the Y of screw pair II to the lead screw drive Y to the slider along Y to the guide rail removal, realizes Y to the motion to the hand wheel.
Furthermore, the pitching mechanism comprises a pitching mechanism bottom plate fixed on the side surface of the Y-direction bottom plate of the Y-direction displacement mechanism; the outer side surface of the pitching mechanism bottom plate is fixedly provided with a circular arc pitching guide rail, a pitching sliding block is clamped on the pitching guide rail, a circular arc pitching rack is fixed on the outer side surface of the pitching sliding block, and a clamping part is fixed at the position of the circle center of the pitching rack; a pitching servo motor is also fixed on the bottom plate of the pitching mechanism, and an output shaft of the pitching servo motor is fixedly connected with a pitching gear; the pitching servo motor drives the pitching gear to rotate, the pitching rack is driven to do circular motion along the pitching guide rail through the pitching sliding block, and the clamping part achieves pitching motion at the circle center position of the pitching rack.
Furthermore, the clamping component comprises a series of clamping heads, the clamping heads matched with the probes are used for realizing clamping, positioning and centering of the probes, and the probes are always positioned in a core flow field of the calibration wind tunnel.
The five-degree-of-freedom probe clamping device for calibrating the pneumatic probe can be suitable for pneumatic probes in different forms, the spatial position of the probe can be conveniently and rapidly adjusted, and the test preparation time is shortened; the probe with multiple sensing parts in comb-shaped arrangement can be calibrated on the premise of not interrupting the test, so that the test time is saved, and the test efficiency is improved.
The five-freedom-degree probe clamping device for calibrating the pneumatic probe has complete functions and convenient and fast operation, and can realize firm clamping and five-freedom-degree movement of the probe.
Drawings
FIG. 1 is a perspective view of a five degree-of-freedom probe clamping device for pneumatic probe calibration of the present invention at zero degrees;
FIG. 2 is a perspective view of the five degree of freedom probe clamping device of the present invention in a variable angle state for pneumatic probe calibration;
FIG. 3 is a perspective view of the X-direction displacement mechanism in the five degree of freedom probe clamping device for pneumatic probe calibration of the present invention;
FIG. 4 is a perspective view of a yaw mechanism in the five degree-of-freedom probe clamping device for pneumatic probe calibration of the present invention;
FIG. 5 is a perspective view of the Z displacement mechanism in the five degree of freedom probe clamping device for pneumatic probe calibration of the present invention;
FIG. 6 is a perspective view of the Y-position displacement mechanism in the five degree of freedom probe clamping device for pneumatic probe calibration of the present invention;
fig. 7 is a perspective view of a tilting mechanism in the five-degree-of-freedom probe clamping device for pneumatic probe calibration of the present invention.
In the figure, 1, an X-direction displacement mechanism 2, a yaw mechanism 3, a Z-direction displacement mechanism 4, a Y-direction displacement mechanism 5, a pitching mechanism 6 and a probe;
an X-direction hand wheel 12. an X-direction lead screw 13. an X-direction slide block 14. an X-direction guide rail;
21, a Z-direction baseplate 22, a yaw servo motor 23, a yaw gear 24, a yaw rack 25, a yaw guide rail 26, a yaw slider 27, a yaw baseplate;
a Z-direction module 32. a Z-direction servo motor;
a Y-direction hand wheel 42, a Y-direction lead screw 43, a Y-direction guide rail 44, a Y-direction slide block 45. and a Y-direction bottom plate;
51. the clamping part 52, the pitch rack 53, the pitch gear 54, the pitch guide rail 55, the pitch slider 56, the pitch servo motor 57 and the pitch mechanism base plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the five-degree-of-freedom probe clamping device for calibrating a pneumatic probe of the present invention includes an X-direction displacement mechanism 1, a yaw mechanism 2 fixed to the X-direction displacement mechanism 1 and realizing yaw through cooperation of an arc rack and a gear located on a horizontal plane, a Z-direction displacement mechanism 3 fixed to a radius of the arc rack of the yaw mechanism 2, a Y-direction displacement mechanism 4 fixed to the Z-direction displacement mechanism 3 and perpendicular to the Z-direction displacement mechanism 3, and a pitch mechanism 5 fixed to the Y-direction displacement mechanism 4 and realizing pitch through cooperation of an arc rack and a gear located on a vertical plane, wherein the pitch mechanism 5 is provided with a clamping part 51; the probe 6 is fixed on the holding member 51; the calibration position of the probe 6 is changed by respectively adjusting or combining the X-direction displacement mechanism 1, the yaw mechanism 2, the Z-direction displacement mechanism 3, the Y-direction displacement mechanism 4 and the pitching mechanism 5.
Further, as shown in fig. 3, the X-direction displacement mechanism 1 includes a fixing plate, an X-direction guide rail 14 is arranged on the upper surface of the fixing plate, an X-direction slider 13 is clamped on the X-direction guide rail 14, a screw pair i is further arranged on the fixing plate, and an X-direction hand wheel 11 rotating the screw pair i pushes an X-direction screw 12 of the screw pair i to drive the X-direction slider 13 to move in the X-direction along the X-direction guide rail 14, so as to realize X-direction movement.
Further, as shown in fig. 4, the yaw mechanism 2 includes a fan-shaped yaw base plate 27 whose lower surface is fixed to the X-directional slider 13 of the X-directional displacement mechanism 1; a circular arc yaw rack 24 is arranged at the circular arc edge of the yaw bottom plate 27, a circular arc yaw guide rail 25 parallel to the yaw rack 24 is arranged on the upper surface of the yaw bottom plate 27 along the inner ring, a yaw slider 26 is clamped on the yaw guide rail 25, and a straight plate-shaped Z-direction bottom plate 21 parallel to the yaw bottom plate 27 is fixed above the yaw bottom plate 27; the front end of the Z-direction bottom plate 21 is fixed on the circle center of the yaw bottom plate 27, the middle section of the Z-direction bottom plate 21 is clamped on the yaw slider 26, the rear end of the Z-direction bottom plate 21 extends out along the radius direction of the yaw bottom plate 27 until the rear end crosses over the yaw rack 24 to fix the yaw servo motor 22, and the output shaft of the yaw servo motor 22 is fixedly connected with the yaw gear 23; the yaw servo motor 22 drives the yaw gear 23 to move along the yaw rack 24, and drives the Z-direction bottom plate 21 to slide along the yaw guide rail 25 through the yaw slider 26, so that yaw movement is realized.
Further, as shown in fig. 5, the Z-direction displacement mechanism 3 includes a Z-direction module 31 and a Z-direction servo motor 32; a Z-direction guide rail is arranged on a Z-direction bottom plate 21 of the yawing mechanism 2, and a Z-direction sliding block is clamped on the Z-direction guide rail; the Z-direction module 31 is a straight plate which covers the Z-direction bottom plate 21 of the yawing mechanism 2 and is assembled with the Z-direction bottom plate 21, the lower surface of the Z-direction module 31 is clamped on a Z-direction sliding block, the front end of the Z-direction module 31 passes through a vertical perpendicular line of the center of a yawing bottom plate 27 of the yawing mechanism 2, and the front end of the Z-direction module 31 is provided with a Z-direction servo motor 32; the Z-direction servo motor 32 drives the Z-direction module 31 to move along the Z-direction rail through the Z-direction slider, so as to realize Z-direction movement.
Further, as shown in fig. 6, the Y-direction displacement mechanism 4 includes a vertical Y-direction bottom plate 45 having a lower end fixed on the upper surface of the Z-direction module 31 of the Z-direction displacement mechanism 3, a vertical Y-direction guide rail 43 is mounted on a side surface of the Y-direction bottom plate 45, a Y-direction slider 44 is mounted on the Y-direction guide rail 43, a screw pair ii is further disposed on the Y-direction bottom plate 45, and a Y-direction hand wheel 41 of the screw pair ii is rotated to push a Y-direction screw 42 of the screw pair ii to drive the Y-direction slider 44 to move along the Y-direction guide rail 43, so as to implement Y-direction movement.
Further, as shown in fig. 7, the pitching mechanism 5 includes a pitching mechanism base plate 57 fixed to the side of the Y-direction base plate 45 of the Y-direction displacement mechanism 4; a circular arc-shaped pitching guide rail 54 is fixed on the outer side surface of the pitching mechanism bottom plate 57, a pitching sliding block 55 is clamped on the pitching guide rail 54, a circular arc-shaped pitching rack 52 is fixed on the outer side surface of the pitching sliding block 55, and a clamping component 51 is fixed at the position of the circle center of the pitching rack 52; a pitching servo motor 56 is also fixed on the pitching mechanism bottom plate 57, and an output shaft of the pitching servo motor 56 is fixedly connected with a pitching gear 53; the pitch servo motor 56 drives the pitch gear 53 to rotate, so as to drive the pitch rack 52 to perform circular motion along the pitch guide rail 54 through the pitch slider 55, and the clamping component 51 realizes pitch motion at the center position of the pitch rack 52.
Further, the clamping component 51 comprises a series of clamping heads, the clamping heads matched with the probe 6 are used for clamping, positioning and centering the probe 6, and the probe 6 is always located in the core flow field of the calibration wind tunnel.
Example 1
The five-degree-of-freedom probe clamping device for calibrating the pneumatic probe in the embodiment is used as follows:
before the probe 6 is calibrated, the clamping part 51 adapted to the probe 6 is replaced, and the probe 6 is stably clamped on the clamping part 51; secondly, adjusting the pitching mechanism 5 and the yawing mechanism 2 to zero degrees, and then sequentially adjusting the X-direction displacement mechanism 1, the Y-direction displacement mechanism 4 and the Z-direction displacement mechanism 3 to ensure that a first sensing part of the probe 6 is positioned in a core flow field at the outlet of the spray pipe; then setting a pitch angle, a yaw angle and Z-direction coordinates of other sensed parts in each calibration state; and finally, starting the calibration wind tunnel, and sequentially calibrating the variable pitch angle and the yaw angle of each sensing part.
Although the embodiments of the present invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, but it can be applied to various fields suitable for the present invention. Additional modifications and refinements of the present invention will readily occur to those skilled in the art without departing from the principles of the present invention, and therefore the present invention is not limited to the specific details and illustrations shown and described herein without departing from the general concept defined by the claims and their equivalents.
Claims (7)
1. A five-freedom-degree probe clamping device for pneumatic probe calibration is characterized by comprising an X-direction displacement mechanism (1), a yaw mechanism (2) fixed on the X-direction displacement mechanism (1) and realizing yaw through the cooperation of an arc rack positioned on a horizontal plane and a gear, a Z-direction displacement mechanism (3) fixed on the radius of the arc rack of the yaw mechanism (2), a Y-direction displacement mechanism (4) fixed on the Z-direction displacement mechanism (3) and vertical to the Z-direction displacement mechanism (3), a pitching mechanism (5) fixed on the Y-direction displacement mechanism (4) and realizing pitching through the cooperation of the arc rack positioned on a vertical plane and the gear, wherein the pitching mechanism (5) is provided with a clamping part (51); the probe (6) is fixed on the clamping component (51); the calibration position of the probe (6) is changed by respectively adjusting or combining the X-direction displacement mechanism (1), the yaw mechanism (2), the Z-direction displacement mechanism (3), the Y-direction displacement mechanism (4) and the pitching mechanism (5).
2. The five-degree-of-freedom probe clamping device for pneumatic probe calibration according to claim 1, wherein the X-direction displacement mechanism (1) comprises a fixing plate, an X-direction guide rail (14) is arranged on the upper surface of the fixing plate, an X-direction sliding block (13) is clamped on the X-direction guide rail (14), a lead screw pair I is further arranged on the fixing plate, and an X-direction hand wheel (11) of the lead screw pair I is rotated to push an X-direction lead screw (12) of the lead screw pair I to drive the X-direction sliding block (13) to move in the X direction along the X-direction guide rail (14) so as to realize X-direction movement.
3. The five-degree-of-freedom probe clamping device for pneumatic probe calibration according to claim 2, wherein the yaw mechanism (2) comprises a fan-shaped yaw base plate (27) with a lower surface fixed on an X-direction slider (13) of the X-direction displacement mechanism (1); a circular arc yaw rack (24) is arranged at the circular arc edge of the yaw bottom plate (27), a circular arc yaw guide rail (25) parallel to the yaw rack (24) is arranged on the upper surface of the yaw bottom plate (27) along the inner ring, a yaw slider (26) is clamped on the yaw guide rail (25), and a straight plate-shaped Z-direction bottom plate (21) parallel to the yaw bottom plate (27) is fixed above the yaw bottom plate (27); the front end of the Z-direction bottom plate (21) is fixed on the circle center of the yaw bottom plate (27), the middle section of the Z-direction bottom plate (21) is clamped on a yaw sliding block (26), the rear end of the Z-direction bottom plate (21) extends out along the radius direction of the yaw bottom plate (27) until the rear end crosses a yaw rack (24) to fix a yaw servo motor (22), and an output shaft of the yaw servo motor (22) is fixedly connected with a yaw gear (23); the yaw servo motor (22) drives a yaw gear (23) to move along a yaw rack (24) to drive the Z-direction base plate (21) to slide along a yaw guide rail (25) through a yaw sliding block (26) so as to realize yaw movement.
4. The five-degree-of-freedom probe clamping device for pneumatic probe calibration according to claim 3, wherein the Z-direction displacement mechanism (3) comprises a Z-direction module (31) and a Z-direction servo motor (32); a Z-direction guide rail is arranged on a Z-direction bottom plate (21) of the yawing mechanism (2), and a Z-direction sliding block is clamped on the Z-direction guide rail; the Z-direction module (31) is a straight plate which covers the Z-direction bottom plate (21) of the yawing mechanism (2) and is assembled with the Z-direction bottom plate (21), the lower surface of the Z-direction module (31) is clamped on the Z-direction sliding block, the front end of the Z-direction module (31) penetrates through a vertical perpendicular line of the circle center of the yawing bottom plate (27) of the yawing mechanism (2), and the front end of the Z-direction module (31) is provided with a Z-direction servo motor (32); the Z-direction servo motor (32) drives the Z-direction module (31) to move along the Z-direction guide rail through the Z-direction slide block, so that Z-direction movement is realized.
5. The five-degree-of-freedom probe clamping device for pneumatic probe calibration according to claim 4, wherein the Y-direction displacement mechanism (4) comprises a vertical Y-direction bottom plate (45) with the lower end fixed to the upper surface of the Z-direction module (31) of the Z-direction displacement mechanism (3), a vertical Y-direction guide rail (43) is mounted on the side surface of the Y-direction bottom plate (45), a Y-direction sliding block (44) is clamped on the Y-direction guide rail (43), a lead screw pair II is further arranged on the Y-direction bottom plate (45), and a Y-direction hand wheel (41) of the lead screw pair II is rotated to push a Y-direction lead screw (42) of the lead screw pair II to drive the Y-direction sliding block (44) to move along the Y-direction guide rail (43) so as to realize Y-.
6. The five-degree-of-freedom probe clamping device for pneumatic probe calibration according to claim 5, wherein the pitching mechanism (5) comprises a pitching mechanism base plate (57) fixed on the side of the Y-direction base plate (45) of the Y-direction displacement mechanism (4); a circular arc-shaped pitching guide rail (54) is fixed on the outer side surface of the pitching mechanism bottom plate (57), a pitching sliding block (55) is clamped on the pitching guide rail (54), a circular arc-shaped pitching rack (52) is fixed on the outer side surface of the pitching sliding block (55), and a clamping component (51) is fixed at the circle center position of the pitching rack (52); a pitching servo motor (56) is also fixed on the pitching mechanism bottom plate (57), and an output shaft of the pitching servo motor (56) is fixedly connected with a pitching gear (53); the pitching servo motor (56) drives the pitching gear (53) to rotate, the pitching rack (52) is driven to do circular arc motion along the pitching guide rail (54) through the pitching sliding block (55), and the clamping part (51) achieves pitching motion at the circle center position of the pitching rack (52).
7. The five-degree-of-freedom probe clamping device for pneumatic probe calibration according to claim 1, wherein the clamping component (51) comprises a series of clamping heads, the clamping heads matched with the probe (6) are used for clamping, positioning and centering the probe (6), and the probe (6) is always located in a calibration wind tunnel core flow field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110433217.1A CN113125101B (en) | 2021-04-22 | 2021-04-22 | Five-degree-of-freedom probe clamping device for pneumatic probe calibration |
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| CN202110433217.1A CN113125101B (en) | 2021-04-22 | 2021-04-22 | Five-degree-of-freedom probe clamping device for pneumatic probe calibration |
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| CN113125101B CN113125101B (en) | 2022-05-20 |
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| CN114046960A (en) * | 2022-01-12 | 2022-02-15 | 中国空气动力研究与发展中心空天技术研究所 | Pneumatic probe steady flow field continuous testing method based on dynamic calibration in advance |
| CN114199501A (en) * | 2021-12-20 | 2022-03-18 | 中国空气动力研究与发展中心空天技术研究所 | Two-degree-of-freedom electric pneumatic probe mounting support |
| CN114518212A (en) * | 2022-04-20 | 2022-05-20 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Simple device for realizing large-range flow field displacement measurement in limited space |
| CN115597822A (en) * | 2022-12-15 | 2023-01-13 | 中国空气动力研究与发展中心超高速空气动力研究所（Cn） | Axial translation mechanism of large hypersonic high-temperature wind tunnel model feeding system |
| CN115597820A (en) * | 2022-12-15 | 2023-01-13 | 中国空气动力研究与发展中心超高速空气动力研究所（Cn） | Yaw mechanism of large hypersonic-velocity high-temperature wind tunnel model feeding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114199501A (en) * | 2021-12-20 | 2022-03-18 | 中国空气动力研究与发展中心空天技术研究所 | Two-degree-of-freedom electric pneumatic probe mounting support |
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| CN115597822A (en) * | 2022-12-15 | 2023-01-13 | 中国空气动力研究与发展中心超高速空气动力研究所（Cn） | Axial translation mechanism of large hypersonic high-temperature wind tunnel model feeding system |
| CN115597820A (en) * | 2022-12-15 | 2023-01-13 | 中国空气动力研究与发展中心超高速空气动力研究所（Cn） | Yaw mechanism of large hypersonic-velocity high-temperature wind tunnel model feeding system |
| CN115597820B (en) * | 2022-12-15 | 2023-03-21 | 中国空气动力研究与发展中心超高速空气动力研究所 | Yaw mechanism of large hypersonic-velocity high-temperature wind tunnel model feeding system |
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| CN113125101B (en) | 2022-05-20 |
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